// Copyright (C) 2011 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 13.1
description: >
    for-in to acquire properties from array
---*/
function Test() {
    function props(x) {
      var array = [];
      for (let p in x) array.push(p);
      return array;
    }
    var subject;

    subject = props([]);
    assert.sameValue(subject.length, 0, "[]: length");
    assert.sameValue(subject[0], undefined, "[]: first property");
    assert.sameValue(subject[1], undefined, "[]: second property");
    assert.sameValue(subject[2], undefined, "[]: third property");
    assert.sameValue(subject[3], undefined, "[]: fourth property");

    subject = props([1]);
    assert.sameValue(subject.length, 1, "[1]: length");
    assert.sameValue(subject[0], "0", "[1]: first property");
    assert.sameValue(subject[1], undefined, "[1]: second property");
    assert.sameValue(subject[2], undefined, "[1]: third property");
    assert.sameValue(subject[3], undefined, "[1]: fourth property");

    subject = props([1, 2]);
    assert.sameValue(subject.length, 2, "[1, 2]: length");
    assert.sameValue(subject[0], "0", "[1, 2]: first property");
    assert.sameValue(subject[1], "1", "[1, 2]: second property");
    assert.sameValue(subject[2], undefined, "[1, 2]: third property");
    assert.sameValue(subject[3], undefined, "[1, 2]: fourth property");

    subject = props([1, 2, 3]);
    assert.sameValue(subject.length, 3, "[1, 2, 3]: length");
    assert.sameValue(subject[0], "0", "[1, 2, 3]: first property");
    assert.sameValue(subject[1], "1", "[1, 2, 3]: second property");
    assert.sameValue(subject[2], "2", "[1, 2, 3]: third property");
    assert.sameValue(subject[3], undefined, "[1, 2, 3]: fourth property");
}

// preheat
const NUMBER_OF_PREHEAT = 1;
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}

ArkTools.jitCompileAsync(Test);
assert.sameValue(ArkTools.waitJitCompileFinish(Test), true, '[JIT] JIT disabled.');

// test
const NUMBER_OF_TEST = 1; // or 2
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}
